package io.datajek.springbasics.movierecommendersystem.lesson11;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;

@Component
public class ContentBasedFilter implements Filter {
    private Logger logger = LoggerFactory.getLogger(this.getClass());
    public ContentBasedFilter(){
        super();
        logger.info("In ContentBasedFilter constructor method");
    }
    @PostConstruct
    private void postConstruct(){
        //将电影加载到缓存中
        logger.info("In ContentBasedFilter postConstruct method");
    }

    @PreDestroy
    private void preDestroy(){
        //从缓存中清除电影
        logger.info("In ContentBasedFilter preDestroy method");
    }
//getRecommendation将一部电影作为输入，并返回类似电影的列表
    public String[] getRecommendations(String movie) {
//计算电影之间的相似度
        //返回电影推荐
        return new String[]{"Happy Feet","Ice Age","Shark Tale"};
    }
}
